src/configreader.cpp

   1 /*       +------------------------------------+
   2  *       | Inspire Internet Relay Chat Daemon |
   3  *       +------------------------------------+
   4  *
   5  *  InspIRCd: (C) 2002-2007 InspIRCd Development Team
   6  * See: http://www.inspircd.org/wiki/index.php/Credits
   7  *
   8  * This program is free but copyrighted software; see
   9  *            the file COPYING for details.
  10  *
  11  * ---------------------------------------------------
  12  */
  13
  14 #include "configreader.h"
  15 #include <sstream>
  16 #include <fstream>
  17 #include "inspircd.h"
  18 #include "xline.h"
  19 #include "exitcodes.h"
  20 #include "commands/cmd_whowas.h"
  21
  22 std::vector<std::string> old_module_names, new_module_names, added_modules, removed_modules;
  23
  24 ServerConfig::ServerConfig(InspIRCd* Instance) : ServerInstance(Instance)
  25 {
  26         this->ClearStack();
  27         *ServerName = *Network = *ServerDesc = *AdminName = '\0';
  28         *HideWhoisServer = *AdminEmail = *AdminNick = *diepass = *restartpass = *FixedQuit = '\0';
  29         *CustomVersion = *motd = *rules = *PrefixQuit = *DieValue = *DNSServer = '\0';
  30         *UserStats = *ModPath = *MyExecutable = *DisabledCommands = *PID = *SuffixQuit = '\0';
  31         WhoWasGroupSize = WhoWasMaxGroups = WhoWasMaxKeep = 0;
  32         log_file = NULL;
  33         NoUserDns = forcedebug = OperSpyWhois = nofork = HideBans = HideSplits = UndernetMsgPrefix = false;
  34         CycleHosts = writelog = AllowHalfop = true;
  35         dns_timeout = DieDelay = 5;
  36         MaxTargets = 20;
  37         NetBufferSize = 10240;
  38         SoftLimit = MAXCLIENTS;
  39         MaxConn = SOMAXCONN;
  40         MaxWhoResults = 100;
  41         debugging = 0;
  42         MaxChans = 20;
  43         OperMaxChans = 30;
  44         LogLevel = DEFAULT;
  45         maxbans.clear();
  46 }
  47
  48 void ServerConfig::ClearStack()
  49 {
  50         include_stack.clear();
  51 }
  52
  53 Module* ServerConfig::GetIOHook(int port)
  54 {
  55         std::map<int,Module*>::iterator x = IOHookModule.find(port);
  56         return (x != IOHookModule.end() ? x->second : NULL);
  57 }
  58
  59 Module* ServerConfig::GetIOHook(InspSocket* is)
  60 {
  61         std::map<InspSocket*,Module*>::iterator x = SocketIOHookModule.find(is);
  62         return (x != SocketIOHookModule.end() ? x->second : NULL);
  63 }
  64
  65 bool ServerConfig::AddIOHook(int port, Module* iomod)
  66 {
  67         if (!GetIOHook(port))
  68         {
  69                 IOHookModule[port] = iomod;
  70                 return true;
  71         }
  72         else
  73         {
  74                 throw ModuleException("Port already hooked by another module");
  75                 return false;
  76         }
  77 }
  78
  79 bool ServerConfig::AddIOHook(Module* iomod, InspSocket* is)
  80 {
  81         if (!GetIOHook(is))
  82         {
  83                 SocketIOHookModule[is] = iomod;
  84                 is->IsIOHooked = true;
  85                 return true;
  86         }
  87         else
  88         {
  89                 throw ModuleException("InspSocket derived class already hooked by another module");
  90                 return false;
  91         }
  92 }
  93
  94 bool ServerConfig::DelIOHook(int port)
  95 {
  96         std::map<int,Module*>::iterator x = IOHookModule.find(port);
  97         if (x != IOHookModule.end())
  98         {
  99                 IOHookModule.erase(x);
 100                 return true;
 101         }
 102         return false;
 103 }
 104
 105 bool ServerConfig::DelIOHook(InspSocket* is)
 106 {
 107         std::map<InspSocket*,Module*>::iterator x = SocketIOHookModule.find(is);
 108         if (x != SocketIOHookModule.end())
 109         {
 110                 SocketIOHookModule.erase(x);
 111                 return true;
 112         }
 113         return false;
 114 }
 115
 116 void ServerConfig::Update005()
 117 {
 118         std::stringstream out(data005);
 119         std::string token;
 120         std::string line5;
 121         int token_counter = 0;
 122         isupport.clear();
 123         while (out >> token)
 124         {
 125                 line5 = line5 + token + " ";
 126                 token_counter++;
 127                 if (token_counter >= 13)
 128                 {
 129                         char buf[MAXBUF];
 130                         snprintf(buf, MAXBUF, "%s:are supported by this server", line5.c_str());
 131                         isupport.push_back(buf);
 132                         line5 = "";
 133                         token_counter = 0;
 134                 }
 135         }
 136         if (!line5.empty())
 137         {
 138                 char buf[MAXBUF];
 139                 snprintf(buf, MAXBUF, "%s:are supported by this server", line5.c_str());
 140                 isupport.push_back(buf);
 141         }
 142 }
 143
 144 void ServerConfig::Send005(userrec* user)
 145 {
 146         for (std::vector<std::string>::iterator line = ServerInstance->Config->isupport.begin(); line != ServerInstance->Config->isupport.end(); line++)
 147                 user->WriteServ("005 %s %s", user->nick, line->c_str());
 148 }
 149
 150 bool ServerConfig::CheckOnce(char* tag, bool bail, userrec* user)
 151 {
 152         int count = ConfValueEnum(this->config_data, tag);
 153
 154         if (count > 1)
 155         {
 156                 throw CoreException("You have more than one <"+std::string(tag)+"> tag, this is not permitted.");
 157                 return false;
 158         }
 159         if (count < 1)
 160         {
 161                 throw CoreException("You have not defined a <"+std::string(tag)+"> tag, this is required.");
 162                 return false;
 163         }
 164         return true;
 165 }
 166
 167 bool NoValidation(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 168 {
 169         return true;
 170 }
 171
 172 bool ValidateMaxTargets(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 173 {
 174         if ((data.GetInteger() < 0) || (data.GetInteger() > 31))
 175         {
 176                 conf->GetInstance()->Log(DEFAULT,"WARNING: <options:maxtargets> value is greater than 31 or less than 0, set to 20.");
 177                 data.Set(20);
 178         }
 179         return true;
 180 }
 181
 182 bool ValidateSoftLimit(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 183 {
 184         if ((data.GetInteger() < 1) || (data.GetInteger() > MAXCLIENTS))
 185         {
 186                 conf->GetInstance()->Log(DEFAULT,"WARNING: <options:softlimit> value is greater than %d or less than 0, set to %d.",MAXCLIENTS,MAXCLIENTS);
 187                 data.Set(MAXCLIENTS);
 188         }
 189         return true;
 190 }
 191
 192 bool ValidateMaxConn(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 193 {
 194         if (data.GetInteger() > SOMAXCONN)
 195                 conf->GetInstance()->Log(DEFAULT,"WARNING: <options:somaxconn> value may be higher than the system-defined SOMAXCONN value!");
 196         return true;
 197 }
 198
 199 bool InitializeDisabledCommands(const char* data, InspIRCd* ServerInstance)
 200 {
 201         std::stringstream dcmds(data);
 202         std::string thiscmd;
 203
 204         /* Enable everything first */
 205         for (nspace::hash_map<std::string,command_t*>::iterator x = ServerInstance->Parser->cmdlist.begin(); x != ServerInstance->Parser->cmdlist.end(); x++)
 206                 x->second->Disable(false);
 207
 208         /* Now disable all the ones which the user wants disabled */
 209         while (dcmds >> thiscmd)
 210         {
 211                 nspace::hash_map<std::string,command_t*>::iterator cm = ServerInstance->Parser->cmdlist.find(thiscmd);
 212                 if (cm != ServerInstance->Parser->cmdlist.end())
 213                 {
 214                         cm->second->Disable(true);
 215                 }
 216         }
 217         return true;
 218 }
 219
 220 bool ValidateDnsServer(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 221 {
 222         if (!*(data.GetString()))
 223         {
 224                 // attempt to look up their nameserver from /etc/resolv.conf
 225                 conf->GetInstance()->Log(DEFAULT,"WARNING: <dns:server> not defined, attempting to find working server in /etc/resolv.conf...");
 226                 ifstream resolv("/etc/resolv.conf");
 227                 std::string nameserver;
 228                 bool found_server = false;
 229
 230                 if (resolv.is_open())
 231                 {
 232                         while (resolv >> nameserver)
 233                         {
 234                                 if ((nameserver == "nameserver") && (!found_server))
 235                                 {
 236                                         resolv >> nameserver;
 237                                         data.Set(nameserver.c_str());
 238                                         found_server = true;
 239                                         conf->GetInstance()->Log(DEFAULT,"<dns:server> set to '%s' as first resolver in /etc/resolv.conf.",nameserver.c_str());
 240                                 }
 241                         }
 242
 243                         if (!found_server)
 244                         {
 245                                 conf->GetInstance()->Log(DEFAULT,"/etc/resolv.conf contains no viable nameserver entries! Defaulting to nameserver '127.0.0.1'!");
 246                                 data.Set("127.0.0.1");
 247                         }
 248                 }
 249                 else
 250                 {
 251                         conf->GetInstance()->Log(DEFAULT,"/etc/resolv.conf can't be opened! Defaulting to nameserver '127.0.0.1'!");
 252                         data.Set("127.0.0.1");
 253                 }
 254         }
 255         return true;
 256 }
 257
 258 bool ValidateServerName(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 259 {
 260         /* If we already have a servername, and they changed it, we should throw an exception. */
 261         if ((strcasecmp(conf->ServerName, data.GetString())) && (*conf->ServerName))
 262         {
 263                 throw CoreException("Configuration error: You cannot change your servername at runtime! Please restart your server for this change to be applied.");
 264                 /* XXX: We don't actually reach this return of course... */
 265                 return false;
 266         }
 267         if (!strchr(data.GetString(),'.'))
 268         {
 269                 conf->GetInstance()->Log(DEFAULT,"WARNING: <server:name> '%s' is not a fully-qualified domain name. Changed to '%s%c'",data.GetString(),data.GetString(),'.');
 270                 std::string moo = std::string(data.GetString()).append(".");
 271                 data.Set(moo.c_str());
 272         }
 273         return true;
 274 }
 275
 276 bool ValidateNetBufferSize(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 277 {
 278         if ((!data.GetInteger()) || (data.GetInteger() > 65535) || (data.GetInteger() < 1024))
 279         {
 280                 conf->GetInstance()->Log(DEFAULT,"No NetBufferSize specified or size out of range, setting to default of 10240.");
 281                 data.Set(10240);
 282         }
 283         return true;
 284 }
 285
 286 bool ValidateMaxWho(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 287 {
 288         if ((!data.GetInteger()) || (data.GetInteger() > 65535) || (data.GetInteger() < 1))
 289         {
 290                 conf->GetInstance()->Log(DEFAULT,"No MaxWhoResults specified or size out of range, setting to default of 128.");
 291                 data.Set(128);
 292         }
 293         return true;
 294 }
 295
 296 bool ValidateLogLevel(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 297 {
 298         std::string dbg = data.GetString();
 299         conf->LogLevel = DEFAULT;
 300
 301         if (dbg == "debug")
 302                 conf->LogLevel = DEBUG;
 303         else if (dbg  == "verbose")
 304                 conf->LogLevel = VERBOSE;
 305         else if (dbg == "default")
 306                 conf->LogLevel = DEFAULT;
 307         else if (dbg == "sparse")
 308                 conf->LogLevel = SPARSE;
 309         else if (dbg == "none")
 310                 conf->LogLevel = NONE;
 311
 312         conf->debugging = (conf->LogLevel == DEBUG);
 313
 314         return true;
 315 }
 316
 317 bool ValidateMotd(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 318 {
 319         conf->ReadFile(conf->MOTD, data.GetString());
 320         return true;
 321 }
 322
 323 bool ValidateRules(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 324 {
 325         conf->ReadFile(conf->RULES, data.GetString());
 326         return true;
 327 }
 328
 329 bool ValidateWhoWas(ServerConfig* conf, const char* tag, const char* value, ValueItem &data)
 330 {
 331         conf->WhoWasMaxKeep = conf->GetInstance()->Duration(data.GetString());
 332
 333         if (conf->WhoWasGroupSize < 0)
 334                 conf->WhoWasGroupSize = 0;
 335
 336         if (conf->WhoWasMaxGroups < 0)
 337                 conf->WhoWasMaxGroups = 0;
 338
 339         if (conf->WhoWasMaxKeep < 3600)
 340         {
 341                 conf->WhoWasMaxKeep = 3600;
 342                 conf->GetInstance()->Log(DEFAULT,"WARNING: <whowas:maxkeep> value less than 3600, setting to default 3600");
 343         }
 344
 345         command_t* whowas_command = conf->GetInstance()->Parser->GetHandler("WHOWAS");
 346         if (whowas_command)
 347         {
 348                 std::deque<classbase*> params;
 349                 whowas_command->HandleInternal(WHOWAS_PRUNE, params);
 350         }
 351
 352         return true;
 353 }
 354
 355 /* Callback called before processing the first <connect> tag
 356  */
 357 bool InitConnect(ServerConfig* conf, const char* tag)
 358 {
 359         conf->GetInstance()->Log(DEFAULT,"Reading connect classes...");
 360         conf->Classes.clear();
 361         return true;
 362 }
 363
 364 /* Callback called to process a single <connect> tag
 365  */
 366 bool DoConnect(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types)
 367 {
 368         ConnectClass c;
 369         const char* allow = values[0].GetString(); /* Yeah, there are a lot of values. Live with it. */
 370         const char* deny = values[1].GetString();
 371         const char* password = values[2].GetString();
 372         int timeout = values[3].GetInteger();
 373         int pingfreq = values[4].GetInteger();
 374         int flood = values[5].GetInteger();
 375         int threshold = values[6].GetInteger();
 376         int sendq = values[7].GetInteger();
 377         int recvq = values[8].GetInteger();
 378         int localmax = values[9].GetInteger();
 379         int globalmax = values[10].GetInteger();
 380
 381         if (*allow)
 382         {
 383                 ConnectClass c(timeout, flood, allow, pingfreq, password, threshold, sendq, recvq, localmax, globalmax);
 384                 conf->Classes.push_back(c);
 385         }
 386         else
 387         {
 388                 ConnectClass c(deny);
 389                 conf->Classes.push_back(c);
 390         }
 391
 392         return true;
 393 }
 394
 395 /* Callback called when there are no more <connect> tags
 396  */
 397 bool DoneConnect(ServerConfig* conf, const char* tag)
 398 {
 399         return true;
 400 }
 401
 402 /* Callback called before processing the first <uline> tag
 403  */
 404 bool InitULine(ServerConfig* conf, const char* tag)
 405 {
 406         conf->ulines.clear();
 407         return true;
 408 }
 409
 410 /* Callback called to process a single <uline> tag
 411  */
 412 bool DoULine(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types)
 413 {
 414         const char* server = values[0].GetString();
 415         const bool silent = values[1].GetBool();
 416         conf->ulines[server] = silent;
 417         return true;
 418 }
 419
 420 /* Callback called when there are no more <uline> tags
 421  */
 422 bool DoneULine(ServerConfig* conf, const char* tag)
 423 {
 424         return true;
 425 }
 426
 427 /* Callback called before processing the first <module> tag
 428  */
 429 bool InitModule(ServerConfig* conf, const char* tag)
 430 {
 431         old_module_names.clear();
 432         new_module_names.clear();
 433         added_modules.clear();
 434         removed_modules.clear();
 435         for (std::vector<std::string>::iterator t = conf->module_names.begin(); t != conf->module_names.end(); t++)
 436         {
 437                 old_module_names.push_back(*t);
 438         }
 439         return true;
 440 }
 441
 442 /* Callback called to process a single <module> tag
 443  */
 444 bool DoModule(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types)
 445 {
 446         const char* modname = values[0].GetString();
 447         new_module_names.push_back(modname);
 448         return true;
 449 }
 450
 451 /* Callback called when there are no more <module> tags
 452  */
 453 bool DoneModule(ServerConfig* conf, const char* tag)
 454 {
 455         // now create a list of new modules that are due to be loaded
 456         // and a seperate list of modules which are due to be unloaded
 457         for (std::vector<std::string>::iterator _new = new_module_names.begin(); _new != new_module_names.end(); _new++)
 458         {
 459                 bool added = true;
 460
 461                 for (std::vector<std::string>::iterator old = old_module_names.begin(); old != old_module_names.end(); old++)
 462                 {
 463                         if (*old == *_new)
 464                                 added = false;
 465                 }
 466
 467                 if (added)
 468                         added_modules.push_back(*_new);
 469         }
 470
 471         for (std::vector<std::string>::iterator oldm = old_module_names.begin(); oldm != old_module_names.end(); oldm++)
 472         {
 473                 bool removed = true;
 474                 for (std::vector<std::string>::iterator newm = new_module_names.begin(); newm != new_module_names.end(); newm++)
 475                 {
 476                         if (*newm == *oldm)
 477                                 removed = false;
 478                 }
 479
 480                 if (removed)
 481                         removed_modules.push_back(*oldm);
 482         }
 483         return true;
 484 }
 485
 486 /* Callback called before processing the first <banlist> tag
 487  */
 488 bool InitMaxBans(ServerConfig* conf, const char* tag)
 489 {
 490         conf->maxbans.clear();
 491         return true;
 492 }
 493
 494 /* Callback called to process a single <banlist> tag
 495  */
 496 bool DoMaxBans(ServerConfig* conf, const char* tag, char** entries, ValueList &values, int* types)
 497 {
 498         const char* channel = values[0].GetString();
 499         int limit = values[1].GetInteger();
 500         conf->maxbans[channel] = limit;
 501         return true;
 502 }
 503
 504 /* Callback called when there are no more <banlist> tags.
 505  */
 506 bool DoneMaxBans(ServerConfig* conf, const char* tag)
 507 {
 508         return true;
 509 }
 510
 511 void ServerConfig::ReportConfigError(const std::string &errormessage, bool bail, userrec* user)
 512 {
 513         ServerInstance->Log(DEFAULT, "There were errors in your configuration file: %s", errormessage.c_str());
 514         if (bail)
 515         {
 516                 /* Unneeded because of the ServerInstance->Log() aboive? */
 517                 printf("There were errors in your configuration:\n%s\n\n",errormessage.c_str());
 518                 InspIRCd::Exit(EXIT_STATUS_CONFIG);
 519         }
 520         else
 521         {
 522                 std::string errors = errormessage;
 523                 std::string::size_type start;
 524                 unsigned int prefixlen;
 525                 start = 0;
 526                 /* ":ServerInstance->Config->ServerName NOTICE user->nick :" */
 527                 if (user)
 528                 {
 529                         prefixlen = strlen(this->ServerName) + strlen(user->nick) + 11;
 530                         user->WriteServ("NOTICE %s :There were errors in the configuration file:",user->nick);
 531                         while (start < errors.length())
 532                         {
 533                                 user->WriteServ("NOTICE %s :%s",user->nick, errors.substr(start, 510 - prefixlen).c_str());
 534                                 start += 510 - prefixlen;
 535                         }
 536                 }
 537                 else
 538                 {
 539                         ServerInstance->WriteOpers("There were errors in the configuration file:");
 540                         while (start < errors.length())
 541                         {
 542                                 ServerInstance->WriteOpers(errors.substr(start, 360).c_str());
 543                                 start += 360;
 544                         }
 545                 }
 546                 return;
 547         }
 548 }
 549
 550 void ServerConfig::Read(bool bail, userrec* user)
 551 {
 552         static char debug[MAXBUF];      /* Temporary buffer for debugging value */
 553         static char maxkeep[MAXBUF];    /* Temporary buffer for WhoWasMaxKeep value */
 554         int rem = 0, add = 0;           /* Number of modules added, number of modules removed */
 555         std::ostringstream errstr;      /* String stream containing the error output */
 556
 557         /* These tags MUST occur and must ONLY occur once in the config file */
 558         static char* Once[] = { "server", "admin", "files", "power", "options", NULL };
 559
 560         /* These tags can occur ONCE or not at all */
 561         InitialConfig Values[] = {
 562                 {"options",     "softlimit",    MAXCLIENTS_S,           new ValueContainerUInt (&this->SoftLimit),              DT_INTEGER, ValidateSoftLimit},
 563                 {"options",     "somaxconn",    SOMAXCONN_S,            new ValueContainerInt  (&this->MaxConn),                DT_INTEGER, ValidateMaxConn},
 564                 {"server",      "name",         "",                     new ValueContainerChar (this->ServerName),              DT_CHARPTR, ValidateServerName},
 565                 {"server",      "description",  "Configure Me",         new ValueContainerChar (this->ServerDesc),              DT_CHARPTR, NoValidation},
 566                 {"server",      "network",      "Network",              new ValueContainerChar (this->Network),                 DT_CHARPTR, NoValidation},
 567                 {"admin",       "name",         "",                     new ValueContainerChar (this->AdminName),               DT_CHARPTR, NoValidation},
 568                 {"admin",       "email",        "Mis@configu.red",      new ValueContainerChar (this->AdminEmail),              DT_CHARPTR, NoValidation},
 569                 {"admin",       "nick",         "Misconfigured",        new ValueContainerChar (this->AdminNick),               DT_CHARPTR, NoValidation},
 570                 {"files",       "motd",         "",                     new ValueContainerChar (this->motd),                    DT_CHARPTR, ValidateMotd},
 571                 {"files",       "rules",        "",                     new ValueContainerChar (this->rules),                   DT_CHARPTR, ValidateRules},
 572                 {"power",       "diepass",      "",                     new ValueContainerChar (this->diepass),                 DT_CHARPTR, NoValidation},
 573                 {"power",       "pause",        "",                     new ValueContainerInt  (&this->DieDelay),               DT_INTEGER, NoValidation},
 574                 {"power",       "restartpass",  "",                     new ValueContainerChar (this->restartpass),             DT_CHARPTR, NoValidation},
 575                 {"options",     "prefixquit",   "",                     new ValueContainerChar (this->PrefixQuit),              DT_CHARPTR, NoValidation},
 576                 {"options",     "suffixquit",   "",                     new ValueContainerChar (this->SuffixQuit),              DT_CHARPTR, NoValidation},
 577                 {"options",     "fixedquit",    "",                     new ValueContainerChar (this->FixedQuit),               DT_CHARPTR, NoValidation},
 578                 {"options",     "loglevel",     "default",              new ValueContainerChar (debug),                         DT_CHARPTR, ValidateLogLevel},
 579                 {"options",     "netbuffersize","10240",                new ValueContainerInt  (&this->NetBufferSize),          DT_INTEGER, ValidateNetBufferSize},
 580                 {"options",     "maxwho",       "128",                  new ValueContainerInt  (&this->MaxWhoResults),          DT_INTEGER, ValidateMaxWho},
 581                 {"options",     "allowhalfop",  "0",                    new ValueContainerBool (&this->AllowHalfop),            DT_BOOLEAN, NoValidation},
 582                 {"dns",         "server",       "",                     new ValueContainerChar (this->DNSServer),               DT_CHARPTR, ValidateDnsServer},
 583                 {"dns",         "timeout",      "5",                    new ValueContainerInt  (&this->dns_timeout),            DT_INTEGER, NoValidation},
 584                 {"options",     "moduledir",    MOD_PATH,               new ValueContainerChar (this->ModPath),                 DT_CHARPTR, NoValidation},
 585                 {"disabled",    "commands",     "",                     new ValueContainerChar (this->DisabledCommands),        DT_CHARPTR, NoValidation},
 586                 {"options",     "userstats",    "",                     new ValueContainerChar (this->UserStats),               DT_CHARPTR, NoValidation},
 587                 {"options",     "customversion","",                     new ValueContainerChar (this->CustomVersion),           DT_CHARPTR, NoValidation},
 588                 {"options",     "hidesplits",   "0",                    new ValueContainerBool (&this->HideSplits),             DT_BOOLEAN, NoValidation},
 589                 {"options",     "hidebans",     "0",                    new ValueContainerBool (&this->HideBans),               DT_BOOLEAN, NoValidation},
 590                 {"options",     "hidewhois",    "",                     new ValueContainerChar (this->HideWhoisServer),         DT_CHARPTR, NoValidation},
 591                 {"options",     "operspywhois", "0",                    new ValueContainerBool (&this->OperSpyWhois),           DT_BOOLEAN, NoValidation},
 592                 {"options",     "nouserdns",    "0",                    new ValueContainerBool (&this->NoUserDns),              DT_BOOLEAN, NoValidation},
 593                 {"options",     "syntaxhints",  "0",                    new ValueContainerBool (&this->SyntaxHints),            DT_BOOLEAN, NoValidation},
 594                 {"options",     "cyclehosts",   "0",                    new ValueContainerBool (&this->CycleHosts),             DT_BOOLEAN, NoValidation},
 595                 {"options",     "ircumsgprefix","0",                    new ValueContainerBool (&this->UndernetMsgPrefix),      DT_BOOLEAN, NoValidation},
 596                 {"options",     "announceinvites", "1",                 new ValueContainerBool (&this->AnnounceInvites),        DT_BOOLEAN, NoValidation},
 597                 {"options",     "hostintopic",  "1",                    new ValueContainerBool (&this->FullHostInTopic),        DT_BOOLEAN, NoValidation},
 598                 {"pid",         "file",         "",                     new ValueContainerChar (this->PID),                     DT_CHARPTR, NoValidation},
 599                 {"whowas",      "groupsize",    "10",                   new ValueContainerInt  (&this->WhoWasGroupSize),        DT_INTEGER, NoValidation},
 600                 {"whowas",      "maxgroups",    "10240",                new ValueContainerInt  (&this->WhoWasMaxGroups),        DT_INTEGER, NoValidation},
 601                 {"whowas",      "maxkeep",      "3600",                 new ValueContainerChar (maxkeep),                       DT_CHARPTR, ValidateWhoWas},
 602                 {"die",         "value",        "",                     new ValueContainerChar (this->DieValue),                DT_CHARPTR, NoValidation},
 603                 {"channels",    "users",        "20",                   new ValueContainerUInt (&this->MaxChans),               DT_INTEGER, NoValidation},
 604                 {"channels",    "opers",        "60",                   new ValueContainerUInt (&this->OperMaxChans),           DT_INTEGER, NoValidation},
 605                 {NULL}
 606         };
 607
 608         /* These tags can occur multiple times, and therefore they have special code to read them
 609          * which is different to the code for reading the singular tags listed above.
 610          */
 611         MultiConfig MultiValues[] = {
 612
 613                 {"connect",
 614                                 {"allow",       "deny",         "password",     "timeout",      "pingfreq",     "flood",
 615                                 "threshold",    "sendq",        "recvq",        "localmax",     "globalmax",    NULL},
 616                                 {"",            "",             "",             "",             "120",          "",
 617                                  "",            "",             "",             "3",            "3",            NULL},
 618                                 {DT_CHARPTR,    DT_CHARPTR,     DT_CHARPTR,     DT_INTEGER,     DT_INTEGER,     DT_INTEGER,
 619                                  DT_INTEGER,    DT_INTEGER,     DT_INTEGER,     DT_INTEGER,     DT_INTEGER},
 620                                 InitConnect, DoConnect, DoneConnect},
 621
 622                 {"uline",
 623                                 {"server",      "silent",       NULL},
 624                                 {"",            "0",            NULL},
 625                                 {DT_CHARPTR,    DT_BOOLEAN},
 626                                 InitULine,DoULine,DoneULine},
 627
 628                 {"banlist",
 629                                 {"chan",        "limit",        NULL},
 630                                 {"",            "",             NULL},
 631                                 {DT_CHARPTR,    DT_INTEGER},
 632                                 InitMaxBans, DoMaxBans, DoneMaxBans},
 633
 634                 {"module",
 635                                 {"name",        NULL},
 636                                 {"",            NULL},
 637                                 {DT_CHARPTR},
 638                                 InitModule, DoModule, DoneModule},
 639
 640                 {"badip",
 641                                 {"reason",      "ipmask",       NULL},
 642                                 {"No reason",   "",             NULL},
 643                                 {DT_CHARPTR,    DT_CHARPTR},
 644                                 InitXLine, DoZLine, DoneZLine},
 645
 646                 {"badnick",
 647                                 {"reason",      "nick",         NULL},
 648                                 {"No reason",   "",             NULL},
 649                                 {DT_CHARPTR,    DT_CHARPTR},
 650                                 InitXLine, DoQLine, DoneQLine},
 651
 652                 {"badhost",
 653                                 {"reason",      "host",         NULL},
 654                                 {"No reason",   "",             NULL},
 655                                 {DT_CHARPTR,    DT_CHARPTR},
 656                                 InitXLine, DoKLine, DoneKLine},
 657
 658                 {"exception",
 659                                 {"reason",      "host",         NULL},
 660                                 {"No reason",   "",             NULL},
 661                                 {DT_CHARPTR,    DT_CHARPTR},
 662                                 InitXLine, DoELine, DoneELine},
 663
 664                 {"type",
 665                                 {"name",        "classes",      NULL},
 666                                 {"",            "",             NULL},
 667                                 {DT_CHARPTR,    DT_CHARPTR},
 668                                 InitTypes, DoType, DoneClassesAndTypes},
 669
 670                 {"class",
 671                                 {"name",        "commands",     NULL},
 672                                 {"",            "",             NULL},
 673                                 {DT_CHARPTR,    DT_CHARPTR},
 674                                 InitClasses, DoClass, DoneClassesAndTypes},
 675
 676                 {NULL}
 677         };
 678
 679         include_stack.clear();
 680
 681         /* Load and parse the config file, if there are any errors then explode */
 682
 683         /* Make a copy here so if it fails then we can carry on running with an unaffected config */
 684         ConfigDataHash newconfig;
 685
 686         if (this->LoadConf(newconfig, ServerInstance->ConfigFileName, errstr))
 687         {
 688                 /* If we succeeded, set the ircd config to the new one */
 689                 this->config_data = newconfig;
 690         }
 691         else
 692         {
 693                 ReportConfigError(errstr.str(), bail, user);
 694                 return;
 695         }
 696
 697         /* The stuff in here may throw CoreException, be sure we're in a position to catch it. */
 698         try
 699         {
 700                 /* Check we dont have more than one of singular tags, or any of them missing
 701                  */
 702                 for (int Index = 0; Once[Index]; Index++)
 703                         if (!CheckOnce(Once[Index], bail, user))
 704                                 return;
 705
 706                 /* Read the values of all the tags which occur once or not at all, and call their callbacks.
 707                  */
 708                 for (int Index = 0; Values[Index].tag; Index++)
 709                 {
 710                         char item[MAXBUF];
 711                         int dt = Values[Index].datatype;
 712                         bool allow_newlines =  ((dt & DT_ALLOW_NEWLINE) > 0);
 713                         dt &= ~DT_ALLOW_NEWLINE;
 714
 715                         ConfValue(this->config_data, Values[Index].tag, Values[Index].value, Values[Index].default_value, 0, item, MAXBUF, allow_newlines);
 716                         ValueItem vi(item);
 717
 718                         if (!Values[Index].validation_function(this, Values[Index].tag, Values[Index].value, vi))
 719                                 throw CoreException("One or more values in your configuration file failed to validate. Please see your ircd.log for more information.");
 720
 721                         switch (Values[Index].datatype)
 722                         {
 723                                 case DT_CHARPTR:
 724                                 {
 725                                         ValueContainerChar* vcc = (ValueContainerChar*)Values[Index].val;
 726                                         /* We do this so that an empty string can still be copied */
 727                                         size_t length = strlen(vi.GetString());
 728                                         vcc->Set(vi.GetString(), length ? length : 1);
 729                                 }
 730                                 break;
 731                                 case DT_INTEGER:
 732                                 {
 733                                         int val = vi.GetInteger();
 734                                         ValueContainerInt* vci = (ValueContainerInt*)Values[Index].val;
 735                                         vci->Set(&val, sizeof(int));
 736                                 }
 737                                 break;
 738                                 case DT_BOOLEAN:
 739                                 {
 740                                         bool val = vi.GetBool();
 741                                         ValueContainerBool* vcb = (ValueContainerBool*)Values[Index].val;
 742                                         vcb->Set(&val, sizeof(bool));
 743                                 }
 744                                 break;
 745                                 default:
 746                                         /* You don't want to know what happens if someones bad code sends us here. */
 747                                 break;
 748                         }
 749
 750                         /* We're done with this now */
 751                         delete Values[Index].val;
 752                 }
 753
 754                 /* Read the multiple-tag items (class tags, connect tags, etc)
 755                  * and call the callbacks associated with them. We have three
 756                  * callbacks for these, a 'start', 'item' and 'end' callback.
 757                  */
 758                 for (int Index = 0; MultiValues[Index].tag; Index++)
 759                 {
 760                         MultiValues[Index].init_function(this, MultiValues[Index].tag);
 761
 762                         int number_of_tags = ConfValueEnum(this->config_data, MultiValues[Index].tag);
 763
 764                         for (int tagnum = 0; tagnum < number_of_tags; tagnum++)
 765                         {
 766                                 ValueList vl;
 767                                 for (int valuenum = 0; MultiValues[Index].items[valuenum]; valuenum++)
 768                                 {
 769                                         int dt = MultiValues[Index].datatype[valuenum];
 770                                         bool allow_newlines =  ((dt & DT_ALLOW_NEWLINE) > 0);
 771                                         dt &= ~DT_ALLOW_NEWLINE;
 772
 773                                         switch (dt)
 774                                         {
 775                                                 case DT_CHARPTR:
 776                                                 {
 777                                                         char item[MAXBUF];
 778                                                         if (ConfValue(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum, item, MAXBUF, allow_newlines))
 779                                                                 vl.push_back(ValueItem(item));
 780                                                         else
 781                                                                 vl.push_back(ValueItem(""));
 782                                                 }
 783                                                 break;
 784                                                 case DT_INTEGER:
 785                                                 {
 786                                                         int item = 0;
 787                                                         if (ConfValueInteger(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum, item))
 788                                                                 vl.push_back(ValueItem(item));
 789                                                         else
 790                                                                 vl.push_back(ValueItem(0));
 791                                                 }
 792                                                 break;
 793                                                 case DT_BOOLEAN:
 794                                                 {
 795                                                         bool item = ConfValueBool(this->config_data, MultiValues[Index].tag, MultiValues[Index].items[valuenum], MultiValues[Index].items_default[valuenum], tagnum);
 796                                                         vl.push_back(ValueItem(item));
 797                                                 }
 798                                                 break;
 799                                                 default:
 800                                                         /* Someone was smoking craq if we got here, and we're all gonna die. */
 801                                                 break;
 802                                         }
 803                                 }
 804
 805                                 MultiValues[Index].validation_function(this, MultiValues[Index].tag, (char**)MultiValues[Index].items, vl, MultiValues[Index].datatype);
 806                         }
 807
 808                         MultiValues[Index].finish_function(this, MultiValues[Index].tag);
 809                 }
 810
 811         }
 812
 813         catch (CoreException &ce)
 814         {
 815                 ReportConfigError(ce.GetReason(), bail, user);
 816                 return;
 817         }
 818
 819         // write once here, to try it out and make sure its ok
 820         ServerInstance->WritePID(this->PID);
 821
 822         ServerInstance->Log(DEFAULT,"Done reading configuration file.");
 823
 824         /* If we're rehashing, let's load any new modules, and unload old ones
 825          */
 826         if (!bail)
 827         {
 828                 int found_ports = 0;
 829                 FailedPortList pl;
 830                 ServerInstance->stats->BoundPortCount = ServerInstance->BindPorts(false, found_ports, pl);
 831
 832                 if (pl.size())
 833                 {
 834                         user->WriteServ("NOTICE %s :*** Not all your client ports could be bound.", user->nick);
 835                         user->WriteServ("NOTICE %s :*** The following port%s failed to bind:", user->nick, found_ports - ServerInstance->stats->BoundPortCount != 1 ? "s" : "");
 836                         int j = 1;
 837                         for (FailedPortList::iterator i = pl.begin(); i != pl.end(); i++, j++)
 838                         {
 839                                 user->WriteServ("NOTICE %s :*** %d.   IP: %s     Port: %lu", user->nick, j, i->first.empty() ? "<all>" : i->first.c_str(), (unsigned long)i->second);
 840                         }
 841                 }
 842
 843                 if (!removed_modules.empty())
 844                 {
 845                         for (std::vector<std::string>::iterator removing = removed_modules.begin(); removing != removed_modules.end(); removing++)
 846                         {
 847                                 if (ServerInstance->UnloadModule(removing->c_str()))
 848                                 {
 849                                         ServerInstance->WriteOpers("*** REHASH UNLOADED MODULE: %s",removing->c_str());
 850
 851                                         if (user)
 852                                                 user->WriteServ("973 %s %s :Module %s successfully unloaded.",user->nick, removing->c_str(), removing->c_str());
 853
 854                                         rem++;
 855                                 }
 856                                 else
 857                                 {
 858                                         if (user)
 859                                                 user->WriteServ("972 %s %s :Failed to unload module %s: %s",user->nick, removing->c_str(), removing->c_str(), ServerInstance->ModuleError());
 860                                 }
 861                         }
 862                 }
 863
 864                 if (!added_modules.empty())
 865                 {
 866                         for (std::vector<std::string>::iterator adding = added_modules.begin(); adding != added_modules.end(); adding++)
 867                         {
 868                                 if (ServerInstance->LoadModule(adding->c_str()))
 869                                 {
 870                                         ServerInstance->WriteOpers("*** REHASH LOADED MODULE: %s",adding->c_str());
 871
 872                                         if (user)
 873                                                 user->WriteServ("975 %s %s :Module %s successfully loaded.",user->nick, adding->c_str(), adding->c_str());
 874
 875                                         add++;
 876                                 }
 877                                 else
 878                                 {
 879                                         if (user)
 880                                                 user->WriteServ("974 %s %s :Failed to load module %s: %s",user->nick, adding->c_str(), adding->c_str(), ServerInstance->ModuleError());
 881                                 }
 882                         }
 883                 }
 884
 885                 ServerInstance->Log(DEFAULT,"Successfully unloaded %lu of %lu modules and loaded %lu of %lu modules.",(unsigned long)rem,(unsigned long)removed_modules.size(),(unsigned long)add,(unsigned long)added_modules.size());
 886         }
 887
 888         if (user)
 889                 user->WriteServ("NOTICE %s :*** Successfully rehashed server.", user->nick);
 890         else
 891                 ServerInstance->WriteOpers("*** Successfully rehashed server.");
 892 }
 893
 894 bool ServerConfig::LoadConf(ConfigDataHash &target, const char* filename, std::ostringstream &errorstream)
 895 {
 896         std::ifstream conf(filename);
 897         std::string line;
 898         char ch;
 899         long linenumber;
 900         bool in_tag;
 901         bool in_quote;
 902         bool in_comment;
 903
 904         linenumber = 1;
 905         in_tag = false;
 906         in_quote = false;
 907         in_comment = false;
 908
 909         /* Check if the file open failed first */
 910         if (!conf)
 911         {
 912                 errorstream << "LoadConf: Couldn't open config file: " << filename << std::endl;
 913                 return false;
 914         }
 915
 916         /* Fix the chmod of the file to restrict it to the current user and group */
 917         chmod(filename,0600);
 918
 919         for (unsigned int t = 0; t < include_stack.size(); t++)
 920         {
 921                 if (std::string(filename) == include_stack[t])
 922                 {
 923                         errorstream << "File " << filename << " is included recursively (looped inclusion)." << std::endl;
 924                         return false;
 925                 }
 926         }
 927
 928         /* It's not already included, add it to the list of files we've loaded */
 929         include_stack.push_back(filename);
 930
 931         /* Start reading characters... */
 932         while(conf.get(ch))
 933         {
 934                 /*
 935                  * Here we try and get individual tags on separate lines,
 936                  * this would be so easy if we just made people format
 937                  * their config files like that, but they don't so...
 938                  * We check for a '<' and then know the line is over when
 939                  * we get a '>' not inside quotes. If we find two '<' and
 940                  * no '>' then die with an error.
 941                  */
 942
 943                 if((ch == '#') && !in_quote)
 944                         in_comment = true;
 945
 946                 /*if(((ch == '\n') || (ch == '\r')) && in_quote)
 947                 {
 948                         errorstream << "Got a newline within a quoted section, this is probably a typo: " << filename << ":" << linenumber << std::endl;
 949                         return false;
 950                 }*/
 951
 952                 switch(ch)
 953                 {
 954                         case '\n':
 955                                 if (in_quote)
 956                                         line += '\n';
 957                                 linenumber++;
 958                         case '\r':
 959                                 if (!in_quote)
 960                                         in_comment = false;
 961                         case '\0':
 962                                 continue;
 963                         case '\t':
 964                                 ch = ' ';
 965                 }
 966
 967                 if(in_comment)
 968                         continue;
 969
 970                 /* XXX: Added by Brain, May 1st 2006 - Escaping of characters.
 971                  * Note that this WILL NOT usually allow insertion of newlines,
 972                  * because a newline is two characters long. Use it primarily to
 973                  * insert the " symbol.
 974                  *
 975                  * Note that this also involves a further check when parsing the line,
 976                  * which can be found below.
 977                  */
 978                 if ((ch == '\\') && (in_quote) && (in_tag))
 979                 {
 980                         line += ch;
 981                         char real_character;
 982                         if (conf.get(real_character))
 983                         {
 984                                 if (real_character == 'n')
 985                                         real_character = '\n';
 986                                 line += real_character;
 987                                 continue;
 988                         }
 989                         else
 990                         {
 991                                 errorstream << "End of file after a \\, what did you want to escape?: " << filename << ":" << linenumber << std::endl;
 992                                 return false;
 993                         }
 994                 }
 995
 996                 if (ch != '\r')
 997                         line += ch;
 998
 999                 if(ch == '<')
1000                 {
1001                         if(in_tag)
1002                         {
1003                                 if(!in_quote)
1004                                 {
1005                                         errorstream << "Got another opening < when the first one wasn't closed: " << filename << ":" << linenumber << std::endl;
1006                                         return false;
1007                                 }
1008                         }
1009                         else
1010                         {
1011                                 if(in_quote)
1012                                 {
1013                                         errorstream << "We're in a quote but outside a tag, interesting. " << filename << ":" << linenumber << std::endl;
1014                                         return false;
1015                                 }
1016                                 else
1017                                 {
1018                                         // errorstream << "Opening new config tag on line " << linenumber << std::endl;
1019                                         in_tag = true;
1020                                 }
1021                         }
1022                 }
1023                 else if(ch == '"')
1024                 {
1025                         if(in_tag)
1026                         {
1027                                 if(in_quote)
1028                                 {
1029                                         // errorstream << "Closing quote in config tag on line " << linenumber << std::endl;
1030                                         in_quote = false;
1031                                 }
1032                                 else
1033                                 {
1034                                         // errorstream << "Opening quote in config tag on line " << linenumber << std::endl;
1035                                         in_quote = true;
1036                                 }
1037                         }
1038                         else
1039                         {
1040                                 if(in_quote)
1041                                 {
1042                                         errorstream << "Found a (closing) \" outside a tag: " << filename << ":" << linenumber << std::endl;
1043                                 }
1044                                 else
1045                                 {
1046                                         errorstream << "Found a (opening) \" outside a tag: " << filename << ":" << linenumber << std::endl;
1047                                 }
1048                         }
1049                 }
1050                 else if(ch == '>')
1051                 {
1052                         if(!in_quote)
1053                         {
1054                                 if(in_tag)
1055                                 {
1056                                         // errorstream << "Closing config tag on line " << linenumber << std::endl;
1057                                         in_tag = false;
1058
1059                                         /*
1060                                          * If this finds an <include> then ParseLine can simply call
1061                                          * LoadConf() and load the included config into the same ConfigDataHash
1062                                          */
1063
1064                                         if(!this->ParseLine(target, line, linenumber, errorstream))
1065                                                 return false;
1066
1067                                         line.clear();
1068                                 }
1069                                 else
1070                                 {
1071                                         errorstream << "Got a closing > when we weren't inside a tag: " << filename << ":" << linenumber << std::endl;
1072                                         return false;
1073                                 }
1074                         }
1075                 }
1076         }
1077
1078         return true;
1079 }
1080
1081 bool ServerConfig::LoadConf(ConfigDataHash &target, const std::string &filename, std::ostringstream &errorstream)
1082 {
1083         return this->LoadConf(target, filename.c_str(), errorstream);
1084 }
1085
1086 bool ServerConfig::ParseLine(ConfigDataHash &target, std::string &line, long linenumber, std::ostringstream &errorstream)
1087 {
1088         std::string tagname;
1089         std::string current_key;
1090         std::string current_value;
1091         KeyValList results;
1092         bool got_name;
1093         bool got_key;
1094         bool in_quote;
1095
1096         got_name = got_key = in_quote = false;
1097
1098         //std::cout << "ParseLine(data, '" << line << "', " << linenumber << ", stream)" << std::endl;
1099
1100         for(std::string::iterator c = line.begin(); c != line.end(); c++)
1101         {
1102                 if(!got_name)
1103                 {
1104                         /* We don't know the tag name yet. */
1105
1106                         if(*c != ' ')
1107                         {
1108                                 if(*c != '<')
1109                                 {
1110                                         tagname += *c;
1111                                 }
1112                         }
1113                         else
1114                         {
1115                                 /* We got to a space, we should have the tagname now. */
1116                                 if(tagname.length())
1117                                 {
1118                                         got_name = true;
1119                                 }
1120                         }
1121                 }
1122                 else
1123                 {
1124                         /* We have the tag name */
1125                         if (!got_key)
1126                         {
1127                                 /* We're still reading the key name */
1128                                 if (*c != '=')
1129                                 {
1130                                         if (*c != ' ')
1131                                         {
1132                                                 current_key += *c;
1133                                         }
1134                                 }
1135                                 else
1136                                 {
1137                                         /* We got an '=', end of the key name. */
1138                                         got_key = true;
1139                                 }
1140                         }
1141                         else
1142                         {
1143                                 /* We have the key name, now we're looking for quotes and the value */
1144
1145                                 /* Correctly handle escaped characters here.
1146                                  * See the XXX'ed section above.
1147                                  */
1148                                 if ((*c == '\\') && (in_quote))
1149                                 {
1150                                         c++;
1151                                         if (*c == 'n')
1152                                                 current_value += '\n';
1153                                         else
1154                                                 current_value += *c;
1155                                         continue;
1156                                 }
1157                                 else if ((*c == '\n') && (in_quote))
1158                                 {
1159                                         /* Got a 'real' \n, treat it as part of the value */
1160                                         current_value += '\n';
1161                                         continue;
1162                                 }
1163                                 else if ((*c == '\r') && (in_quote))
1164                                         /* Got a \r, drop it */
1165                                         continue;
1166
1167                                 if (*c == '"')
1168                                 {
1169                                         if (!in_quote)
1170                                         {
1171                                                 /* We're not already in a quote. */
1172                                                 in_quote = true;
1173                                         }
1174                                         else
1175                                         {
1176                                                 /* Leaving quotes, we have the value */
1177                                                 results.push_back(KeyVal(current_key, current_value));
1178
1179                                                 // std::cout << "<" << tagname << ":" << current_key << "> " << current_value << std::endl;
1180
1181                                                 in_quote = false;
1182                                                 got_key = false;
1183
1184                                                 if((tagname == "include") && (current_key == "file"))
1185                                                 {
1186                                                         if(!this->DoInclude(target, current_value, errorstream))
1187                                                                 return false;
1188                                                 }
1189
1190                                                 current_key.clear();
1191                                                 current_value.clear();
1192                                         }
1193                                 }
1194                                 else
1195                                 {
1196                                         if(in_quote)
1197                                         {
1198                                                 current_value += *c;
1199                                         }
1200                                 }
1201                         }
1202                 }
1203         }
1204
1205         /* Finished parsing the tag, add it to the config hash */
1206         target.insert(std::pair<std::string, KeyValList > (tagname, results));
1207
1208         return true;
1209 }
1210
1211 bool ServerConfig::DoInclude(ConfigDataHash &target, const std::string &file, std::ostringstream &errorstream)
1212 {
1213         std::string confpath;
1214         std::string newfile;
1215         std::string::size_type pos;
1216
1217         confpath = ServerInstance->ConfigFileName;
1218         newfile = file;
1219
1220         for (std::string::iterator c = newfile.begin(); c != newfile.end(); c++)
1221         {
1222                 if (*c == '\\')
1223                 {
1224                         *c = '/';
1225                 }
1226         }
1227
1228         if (file[0] != '/')
1229         {
1230                 if((pos = confpath.rfind("/")) != std::string::npos)
1231                 {
1232                         /* Leaves us with just the path */
1233                         newfile = confpath.substr(0, pos) + std::string("/") + newfile;
1234                 }
1235                 else
1236                 {
1237                         errorstream << "Couldn't get config path from: " << confpath << std::endl;
1238                         return false;
1239                 }
1240         }
1241
1242         return LoadConf(target, newfile, errorstream);
1243 }
1244
1245 bool ServerConfig::ConfValue(ConfigDataHash &target, const char* tag, const char* var, int index, char* result, int length, bool allow_linefeeds)
1246 {
1247         return ConfValue(target, tag, var, "", index, result, length, allow_linefeeds);
1248 }
1249
1250 bool ServerConfig::ConfValue(ConfigDataHash &target, const char* tag, const char* var, const char* default_value, int index, char* result, int length, bool allow_linefeeds)
1251 {
1252         std::string value;
1253         bool r = ConfValue(target, std::string(tag), std::string(var), std::string(default_value), index, value, allow_linefeeds);
1254         strlcpy(result, value.c_str(), length);
1255         return r;
1256 }
1257
1258 bool ServerConfig::ConfValue(ConfigDataHash &target, const std::string &tag, const std::string &var, int index, std::string &result, bool allow_linefeeds)
1259 {
1260         return ConfValue(target, tag, var, "", index, result, allow_linefeeds);
1261 }
1262
1263 bool ServerConfig::ConfValue(ConfigDataHash &target, const std::string &tag, const std::string &var, const std::string &default_value, int index, std::string &result, bool allow_linefeeds)
1264 {
1265         ConfigDataHash::size_type pos = index;
1266         if((pos >= 0) && (pos < target.count(tag)))
1267         {
1268                 ConfigDataHash::iterator iter = target.find(tag);
1269
1270                 for(int i = 0; i < index; i++)
1271                         iter++;
1272
1273                 for(KeyValList::iterator j = iter->second.begin(); j != iter->second.end(); j++)
1274                 {
1275                         if(j->first == var)
1276                         {
1277                                 if ((!allow_linefeeds) && (j->second.find('\n') != std::string::npos))
1278                                 {
1279                                         ServerInstance->Log(DEFAULT, "Value of <" + tag + ":" + var+ "> contains a linefeed, and linefeeds in this value are not permitted -- stripped to spaces.");
1280                                         for (std::string::iterator n = j->second.begin(); n != j->second.end(); n++)
1281                                                 if (*n == '\n')
1282                                                         *n = ' ';
1283                                 }
1284                                 else
1285                                 {
1286                                         result = j->second;
1287                                         return true;
1288                                 }
1289                         }
1290                 }
1291                 if (!default_value.empty())
1292                 {
1293                         result = default_value;
1294                         return true;
1295                 }
1296         }
1297         else if(pos == 0)
1298         {
1299                 if (!default_value.empty())
1300                 {
1301                         result = default_value;
1302                         return true;
1303                 }
1304         }
1305         return false;
1306 }
1307
1308 bool ServerConfig::ConfValueInteger(ConfigDataHash &target, const char* tag, const char* var, int index, int &result)
1309 {
1310         return ConfValueInteger(target, std::string(tag), std::string(var), "", index, result);
1311 }
1312
1313 bool ServerConfig::ConfValueInteger(ConfigDataHash &target, const char* tag, const char* var, const char* default_value, int index, int &result)
1314 {
1315         return ConfValueInteger(target, std::string(tag), std::string(var), std::string(default_value), index, result);
1316 }
1317
1318 bool ServerConfig::ConfValueInteger(ConfigDataHash &target, const std::string &tag, const std::string &var, int index, int &result)
1319 {
1320         return ConfValueInteger(target, tag, var, "", index, result);
1321 }
1322
1323 bool ServerConfig::ConfValueInteger(ConfigDataHash &target, const std::string &tag, const std::string &var, const std::string &default_value, int index, int &result)
1324 {
1325         std::string value;
1326         std::istringstream stream;
1327         bool r = ConfValue(target, tag, var, default_value, index, value);
1328         stream.str(value);
1329         if(!(stream >> result))
1330                 return false;
1331         else
1332         {
1333                 if (!value.empty())
1334                 {
1335                         if (value.substr(0,2) == "0x")
1336                         {
1337                                 char* endptr;
1338
1339                                 value.erase(0,2);
1340                                 result = strtol(value.c_str(), &endptr, 16);
1341
1342                                 /* No digits found */
1343                                 if (endptr == value.c_str())
1344                                         return false;
1345                         }
1346                         else
1347                         {
1348                                 char denominator = *(value.end() - 1);
1349                                 switch (toupper(denominator))
1350                                 {
1351                                         case 'K':
1352                                                 /* Kilobytes -> bytes */
1353                                                 result = result * 1024;
1354                                         break;
1355                                         case 'M':
1356                                                 /* Megabytes -> bytes */
1357                                                 result = result * 1024 * 1024;
1358                                         break;
1359                                         case 'G':
1360                                                 /* Gigabytes -> bytes */
1361                                                 result = result * 1024 * 1024 * 1024;
1362                                         break;
1363                                 }
1364                         }
1365                 }
1366         }
1367         return r;
1368 }
1369
1370
1371 bool ServerConfig::ConfValueBool(ConfigDataHash &target, const char* tag, const char* var, int index)
1372 {
1373         return ConfValueBool(target, std::string(tag), std::string(var), "", index);
1374 }
1375
1376 bool ServerConfig::ConfValueBool(ConfigDataHash &target, const char* tag, const char* var, const char* default_value, int index)
1377 {
1378         return ConfValueBool(target, std::string(tag), std::string(var), std::string(default_value), index);
1379 }
1380
1381 bool ServerConfig::ConfValueBool(ConfigDataHash &target, const std::string &tag, const std::string &var, int index)
1382 {
1383         return ConfValueBool(target, tag, var, "", index);
1384 }
1385
1386 bool ServerConfig::ConfValueBool(ConfigDataHash &target, const std::string &tag, const std::string &var, const std::string &default_value, int index)
1387 {
1388         std::string result;
1389         if(!ConfValue(target, tag, var, default_value, index, result))
1390                 return false;
1391
1392         return ((result == "yes") || (result == "true") || (result == "1"));
1393 }
1394
1395 int ServerConfig::ConfValueEnum(ConfigDataHash &target, const char* tag)
1396 {
1397         return target.count(tag);
1398 }
1399
1400 int ServerConfig::ConfValueEnum(ConfigDataHash &target, const std::string &tag)
1401 {
1402         return target.count(tag);
1403 }
1404
1405 int ServerConfig::ConfVarEnum(ConfigDataHash &target, const char* tag, int index)
1406 {
1407         return ConfVarEnum(target, std::string(tag), index);
1408 }
1409
1410 int ServerConfig::ConfVarEnum(ConfigDataHash &target, const std::string &tag, int index)
1411 {
1412         ConfigDataHash::size_type pos = index;
1413
1414         if((pos >= 0) && (pos < target.count(tag)))
1415         {
1416                 ConfigDataHash::const_iterator iter = target.find(tag);
1417
1418                 for(int i = 0; i < index; i++)
1419                         iter++;
1420
1421                 return iter->second.size();
1422         }
1423
1424         return 0;
1425 }
1426
1427 /** Read the contents of a file located by `fname' into a file_cache pointed at by `F'.
1428  */
1429 bool ServerConfig::ReadFile(file_cache &F, const char* fname)
1430 {
1431         if (!fname || !*fname)
1432                 return false;
1433
1434         FILE* file = NULL;
1435         char linebuf[MAXBUF];
1436
1437         F.clear();
1438
1439         if (*fname != '/')
1440         {
1441                 std::string::size_type pos;
1442                 std::string confpath = ServerInstance->ConfigFileName;
1443                 if((pos = confpath.rfind("/")) != std::string::npos)
1444                 {
1445                         /* Leaves us with just the path */
1446                         std::string newfile = confpath.substr(0, pos) + std::string("/") + fname;
1447                         if (!FileExists(newfile.c_str()))
1448                                 return false;
1449                         file =  fopen(newfile.c_str(), "r");
1450
1451                 }
1452         }
1453         else
1454         {
1455                 if (!FileExists(fname))
1456                         return false;
1457                 file =  fopen(fname, "r");
1458         }
1459
1460         if (file)
1461         {
1462                 while (!feof(file))
1463                 {
1464                         if (fgets(linebuf, sizeof(linebuf), file))
1465                                 linebuf[strlen(linebuf)-1] = 0;
1466                         else
1467                                 *linebuf = 0;
1468
1469                         if (!feof(file))
1470                         {
1471                                 F.push_back(*linebuf ? linebuf : " ");
1472                         }
1473                 }
1474
1475                 fclose(file);
1476         }
1477         else
1478                 return false;
1479
1480         return true;
1481 }
1482
1483 bool ServerConfig::FileExists(const char* file)
1484 {
1485         struct stat sb;
1486         if (stat(file, &sb) == -1)
1487                 return false;
1488
1489         if ((sb.st_mode & S_IFDIR) > 0)
1490                 return false;
1491
1492         FILE *input;
1493         if ((input = fopen (file, "r")) == NULL)
1494                 return false;
1495         else
1496         {
1497                 fclose(input);
1498                 return true;
1499         }
1500 }
1501
1502 char* ServerConfig::CleanFilename(char* name)
1503 {
1504         char* p = name + strlen(name);
1505         while ((p != name) && (*p != '/')) p--;
1506         return (p != name ? ++p : p);
1507 }
1508
1509
1510 bool ServerConfig::DirValid(const char* dirandfile)
1511 {
1512         char work[1024];
1513         char buffer[1024];
1514         char otherdir[1024];
1515         int p;
1516
1517         strlcpy(work, dirandfile, 1024);
1518         p = strlen(work);
1519
1520         // we just want the dir
1521         while (*work)
1522         {
1523                 if (work[p] == '/')
1524                 {
1525                         work[p] = '\0';
1526                         break;
1527                 }
1528
1529                 work[p--] = '\0';
1530         }
1531
1532         // Get the current working directory
1533         if (getcwd(buffer, 1024 ) == NULL )
1534                 return false;
1535
1536         if (chdir(work) == -1)
1537                 return false;
1538
1539         if (getcwd(otherdir, 1024 ) == NULL )
1540                 return false;
1541
1542         if (chdir(buffer) == -1)
1543                 return false;
1544
1545         size_t t = strlen(work);
1546
1547         if (strlen(otherdir) >= t)
1548         {
1549                 otherdir[t] = '\0';
1550
1551                 if (!strcmp(otherdir,work))
1552                 {
1553                         return true;
1554                 }
1555
1556                 return false;
1557         }
1558         else
1559         {
1560                 return false;
1561         }
1562 }
1563
1564 std::string ServerConfig::GetFullProgDir(char** argv, int argc)
1565 {
1566         char work[1024];
1567         char buffer[1024];
1568         char otherdir[1024];
1569         int p;
1570
1571         strlcpy(work,argv[0],1024);
1572         p = strlen(work);
1573
1574         // we just want the dir
1575         while (*work)
1576         {
1577                 if (work[p] == '/')
1578                 {
1579                         work[p] = '\0';
1580                         break;
1581                 }
1582
1583                 work[p--] = '\0';
1584         }
1585
1586         // Get the current working directory
1587         if (getcwd(buffer, 1024) == NULL)
1588                 return "";
1589
1590         if (chdir(work) == -1)
1591                 return "";
1592
1593         if (getcwd(otherdir, 1024) == NULL)
1594                 return "";
1595
1596         if (chdir(buffer) == -1)
1597                 return "";
1598
1599         return otherdir;
1600 }
1601
1602 InspIRCd* ServerConfig::GetInstance()
1603 {
1604         return ServerInstance;
1605 }
1606
1607
1608 ValueItem::ValueItem(int value)
1609 {
1610         std::stringstream n;
1611         n << value;
1612         v = n.str();
1613 }
1614
1615 ValueItem::ValueItem(bool value)
1616 {
1617         std::stringstream n;
1618         n << value;
1619         v = n.str();
1620 }
1621
1622 ValueItem::ValueItem(char* value)
1623 {
1624         v = value;
1625 }
1626
1627 void ValueItem::Set(char* value)
1628 {
1629         v = value;
1630 }
1631
1632 void ValueItem::Set(const char* value)
1633 {
1634         v = value;
1635 }
1636
1637 void ValueItem::Set(int value)
1638 {
1639         std::stringstream n;
1640         n << value;
1641         v = n.str();
1642 }
1643
1644 int ValueItem::GetInteger()
1645 {
1646         if (v.empty())
1647                 return 0;
1648         return atoi(v.c_str());
1649 }
1650
1651 char* ValueItem::GetString()
1652 {
1653         return (char*)v.c_str();
1654 }
1655
1656 bool ValueItem::GetBool()
1657 {
1658         return (GetInteger() || v == "yes" || v == "true");
1659 }
1660